let a = 1;
let b = 2;
let c = 3;
let d = 4;
let fn = function(){
	console.log("fn")
}
// export default fn;
export {
	fn as default,// 相当于export default fn
	a,
	b,
	c,
	d
}




// export const c = 3;
// export let d = 4;
// export default function(){
// 	console.log("fn")
// }
// export let a = 1;
// export let b = 2;
